system-config-securitylevel 실행시 에러

아래와 같은 에러가 발생합니다. 어떻게 조치를 해야 할지요. 조언 부탁드립니다.

[root@localhost etc]# system-config-securitylevel

(system-config-securitylevel:2952): Gtk-WARNING **: Unable to locate theme engine in module_path: "redmond95",

(system-config-securitylevel:2952): Gtk-WARNING **: Unable to locate theme engine in module_path: "redmond95",
/usr/share/system-config-securitylevel/securitylevel.py:65: GtkWarning: Unable to locate theme engine in module_path: "redmond95",
self.toplevel = gtk.VBox(False, 5)
Traceback (most recent call last):
File "/usr/share/system-config-securitylevel/system-config-securitylevel.py", line 18, in ?
app.stand_alone()
File "/usr/share/system-config-securitylevel/securitylevel.py", line 453, in stand_alone
self.readFile()
File "/usr/share/system-config-securitylevel/securitylevel.py", line 353, in readFile
protoname = socket.getservbyport(int(service), protocol)
socket.error: port/proto not found